package fristphase.day9_07.official_version;

public class Test {
    public static void main(String[] args) {
        Aoo o1 = new Aoo();
        Object o2 = new Aoo();

        Boo o3 = new Boo();
        Object o4 = new Boo();

        Airplane o5 = new Airplane();
        FlyingObject o6 = new Airplane();
        EnemyScore o7 = new Airplane();
        Object o8 = new Airplane();

        //每个对象最少有两种形态(1.自己的形态  2.Object的形态)
    }
}

class Aoo{
}
class Boo{
}










